The book says to run a 3/16 bead on the outside of the pinch weld flange, all the way around, prior to doing anything else. then, if I remember right, it calls for shooting a little bead under the rubber in the glass groove too, after the install.
Mike Burns 1940 Chev 1/2 ton 1953 Chev 1/2 ton 1950 Studebaker Starlight Coupe 1947 Indian Chief 1943 Indian 741